CVE-2019-10121

published 2019-07-10

CVE-2019-10121: eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.15 use session IDs for authentication but lack authorization checks. An attacker can…

Priority P3 56 critical 9.8 CVSS 3.0

AV N AC L PR N UI N S U C H I H A H

eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.15 use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID via the user authentication dialogue, aka HMCCU-153. This leads to automatic login as admin.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
eq-3	ccu2_firmware	< 2.41.8	2.41.8
eq-3	ccu3_firmware	< 3.43.15	3.43.15

CVSS provenance

nvd v3.0 9.8 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

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